galacticsights

astrophotography

Cocoon Galaxy, NGC4490

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2026-04-07 / Image Details (Click on image to enlarge)

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Technical Details

LocationZollikerberg, Switzerland
CameraNikon DSLR D810A
TelescopeTS ONTC 12" f/4 Carbon Newton
OpticsTS 2,5" Wynne Coma Corrector
Focal Length1140mm
MountiOptron CEM120 Center-Balanced Equatorial Mount
AutoguidingPHD2 (Dithering)
FocuserMoonlite Nitecrawler
Image Session ControlAPT - Astro Photography Tool, ASCOM Platform
Lights78 x 120s (total 2h36'), ISO-800, additional Biases and Flats
Stacking SoftwarePixinsight, Drizzle 2x
Image ProcessingPixinsight